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Review reviewHigh

CVE-2023-53554

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext() The "exc->key_len" is a u16 that comes from the user. If it's over IW_ENCODING_TOKEN_MAX (64) that could lead to memory corruption.

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2025.10.05
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext() The "exc->key_len" is a u16 that comes from the user. If it's over IW_ENCODING_TOKEN_MAX (64) that could lead to memory corruption.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= b121d84882b97b8668be0b95e9ba50cfd01aa0f1 < 9496fb96ddeb740dc6b966f4a7d8dfb8b93921c6, >= b121d84882b97b8668be0b95e9ba50cfd01aa0f1 < 663fff29fd613e2b0d30c4138157312ba93c4939, >= b121d84882b97b8668be0b95e9ba50cfd01aa0f1 < 5373a1aa91b2298f9305794b8270cf9896be96b6, >= b121d84882b97b8668be0b95e9ba50cfd01aa0f1 < caac4b6c15b66feae4d83f602e1e46f124540202, >= b121d84882b97b8668be0b95e9ba50cfd01aa0f1 < baf420e30364ef9efe3e29a5c0e01e612aebf3fe, >= b121d84882b97b8668be0b95e9ba50cfd01aa0f1 < 7ae9f55a495077f838bab466411ee6f38574df9b, >= b121d84882b97b8668be0b95e9ba50cfd01aa0f1 < b1b04b56745bc79286c80aa876fabfab1e08ebf1, >= b121d84882b97b8668be0b95e9ba50cfd01aa0f1 < 5f1c7031e044cb2fba82836d55cc235e2ad619dc, >= 4.12, >= 4.12 < 4.14.322, >= 4.15 < 4.19.291, >= 4.20 < 5.4.253, >= 5.5 < 5.10.190, >= 5.11 < 5.15.124, >= 5.16 < 6.1.43, >= 6.2 < 6.4.8, 6.5
Fixed versions
4.14.322, 4.19.291, 5.4.253, 5.10.190, 5.15.124, 6.1.43, 6.4.8

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-787